Halliday, D. (2002). Physics: Volumes one and two. New York: John Wiley & Sons, Inc.
Dyfyniad Arddull ChicagoHalliday, David. Physics: Volumes One and Two. New York: John Wiley & Sons, Inc, 2002.
Dyfyniad MLAHalliday, David. Physics: Volumes One and Two. New York: John Wiley & Sons, Inc, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.